<template>
  <div class="main">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <a-tabs :activeKey="customActiveKey" :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }" @change="handleTabClick">
        <a-tab-pane key="tab1" tab="账号密码登录">
          <a-alert
            v-if="isLoginError"
            type="error"
            showIcon
            style="margin-bottom: 24px;"
            :message="errorMsg"
          />
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="账户"
              v-decorator="['username', {rules: [{ required: true, message: '请输入帐户名或邮箱地址' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change'}]">
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-form-item>
            <a-input-password
              size="large"
              placeholder="密码"
              v-decorator="['password', { rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur'}]">
              <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input-password>
          </a-form-item>
        </a-tab-pane>
        <a-tab-pane key="tab2" tab="手机号登录">
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="手机号"
              v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change'}]">
              <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-row :gutter="16">
            <a-col class="gutter-row" :span="16">
              <a-form-item>
                <a-input
                  size="large"
                  type="text"
                  placeholder="验证码"
                  v-decorator="['captcha', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}]"
                >
                  <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                </a-input>
              </a-form-item>
            </a-col>
            <a-col class="gutter-row" :span="8">
              <a-button
                class="getCaptcha"
                tabindex="-1"
                :disabled="state.smsSendBtn"
                @click.stop.prevent="getCaptcha"
                v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
              ></a-button>
            </a-col>
          </a-row>
        </a-tab-pane>
      </a-tabs>

      <a-form-item>
        <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">自动登录</a-checkbox>
        <router-link class="register" style="float: right;" :to="{ name: 'register' }">注册账户</router-link>
      </a-form-item>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >确定</a-button>
      </a-form-item>

    <!--      <div class="user-login-other">-->
    <!--        <span>其他登录方式</span>-->
    <!--        <a>-->
    <!--          <a-icon class="item-icon" type="alipay-circle"></a-icon>-->
    <!--        </a>-->
    <!--        <a>-->
    <!--          <a-icon class="item-icon" type="taobao-circle"></a-icon>-->
    <!--        </a>-->
    <!--        <a>-->
    <!--          <a-icon class="item-icon" type="weibo-circle"></a-icon>-->
    <!--        </a>-->
    <!--        <router-link class="register" :to="{ name: 'register' }">注册账户</router-link>-->
    <!--      </div>-->
    </a-form>

    <two-step-captcha
      v-if="requiredTwoStepCaptcha"
      :visible="stepCaptchaVisible"
      @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"
    ></two-step-captcha>
    <Verify
      @success="capctchaCheckSucc"
      :mode="'pop'"
      :captchaType="'blockPuzzle'"
      :imgSize="{ width: '330px', height: '155px' }"
      ref="verify"
    ></Verify>
  </div>
</template>

<script>
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import Verify from '@/components/verifition/Verify'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
// eslint-disable-next-line no-unused-vars
import md5 from 'md5'
// eslint-disable-next-line no-unused-vars
import { getLoginSms } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha,
    Verify
  },
  data () {
    return {
      capctchaCheck: false,
      verify: '',
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      errorMsg: '',
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 mobile
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    capctchaCheckSucc (data) {
      this.capctchaCheck = true
      this.verify = data.captchaVerification
      this.loginForm()
    },
    handleSubmit (e) {
      e.preventDefault()
      this.loginForm()
    },
    loginForm () {
      if (!this.capctchaCheck) {
        this.$refs.verify.show()
        return false
      }
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password', 'captcha'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values }
          delete loginParams.username
          loginParams[!state.loginType ? 'email' : 'username'] = values.username
          // loginParams.password = md5(values.password)
          const captchaVO = { captchaVerification: this.verify }
          loginParams.captchaVO = captchaVO
          Login(loginParams)
            .then(res => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
              this.capctchaCheck = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state
      } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getLoginSms({ mobile: values.mobile })
            .then(res => {
              setTimeout(hide, 1)
              this.$notification['success']({
                message: '提示',
                description: '验证码获取成功，您的验证码为：' + res.msg,
                duration: 8
              })
            })
            .catch(err => {
              setTimeout(hide, 1)
              clearInterval(interval)
              state.time = 60
              state.smsSendBtn = false
              this.requestFailed(err)
            })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      if (res.code === 0) {
        this.$router.push({ name: 'analysis' }, () => { // 登录跳转
          this.$notification.success({
            message: '欢迎',
            description: `${timeFix()}，欢迎回来`
          })
        })
        this.isLoginError = false
      } else {
        this.$refs.verify.refresh()
        this.requestFailed(res)
      }
    },
    requestFailed (err) {
      this.isLoginError = true
      this.errorMsg = ((err.response || {}).data || {}).msg || err.msg || '请求出现错误，请稍后再试'
      this.$notification['error']({
        message: '错误',
        description: this.errorMsg,
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
